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The cabin air filter in your 2004 Subaru Legacy filters the air that is blown from your heater or air conditioner into the cabin of your Legacy. You need to change it at least once a year or every 20,000 miles. Replacing the cabin air filter (also know as the dust filter, hvac filter, pollen filter, air conditioner filter and hepa filter) will improve the air quality of your Legacy, will put less strain on your heating and air conditioning system and can increase your gas mileage. These filters are fairly inexpensive, so check out our parts page for great deals on a new one (tip: buy several - they don't expire and you will be able to quickly swap the old one out for a fresh one).
Not all Subarus have a cabin air filter and for some models, the inclusion of a cabin air filter depends on what trim level you have (L). Newer cars are more likely to have a cabin air filter than older models. If your Legacy has a funky odor when you turn on the heat or air conditioner, or it seems like the fan doesn't work as well as it used to, replacing your cabin air filter is a quick and cheap fix! The video above shows you the cabin air filter location in your Legacy and how to change it!
Learn where your air filter is located and how to determine if it needs to be changed.2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
If you are leaking oil and parking on your oil spots each night, the oil is breaking down your tires' rubber2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
Learn where your spare tire and jack are located before you need it on the side of the road2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
Animals love the sweet smell of antifreeze, too bad it's toxic! Fix your minor leaks2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon